AMF 250s-1

Three-phase auto mains fail (AMF) unit allows automatic connection of a secondary electrical supply to a load upon failure of the primary.

Technical Information

Mechanically and electronically interlocked 4 Pole AC1 rated contactors supplying a common rated HDHC copper busbar system and load connection pads. No volt connection for remote Generator start (N/O & N/C). Auxiliary power supply for Generator battery charging/jacket water heater. 3 Position key switch for Auto, Test and Generator run. Supply availability neon’s for visual representation of status.

Incoming supply adjustable undervolt and time delay relays for setting of individual supply parameters. All equipment housed in a steel enclosure with internal and external brass earth bar. Complete unit mounted within a galvanised steel crash frame with forklift pockets.

Enclosure
Grey (RAL7035) textured powder coated Zintec steel construction with phosphate welds. Separate incoming and outgoing (with control gear) compartments with internal protection shrouds and external panel key lock doors. Aluminium gland plate. Assembled to IP55.

Input: Termination, 3P+N+E Hardwire Protection, 250A 4 Pole Contactor

Input 2 (Generator): Termination, 3P+N+E Hardwire Protection, 250A 4 Pole Contactor

Outgoing (Load): Termination, 3P+N+E Hardwire Protection, N/A

Size: H 1700 x W 985 x D 530 (mm)

Weight: 160kgs

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